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Evidence for the Existence of L-DOPA-immunoreactive Neurons in the Human Mesencephalic Region Kaoru Komori 1,2 , Makoto Nakamura 1 , Hisaya Yamaoka 1 , Yukari Kunimi 1 , Koichi Yamaoka 1,4 , Kiyoshi Fujita 1,3 , Hiroshi Naitoh 1 , Nobuyuki Karasawa 2 , Makoto Kuroda 5 , Tetsuhiko Ito 1 , Yomishi Kasahara 1 , Ikuko Nagatsu 2 1Department of Psychiatry, School of Medicine, Fujita Health University 2Department of Anatomy, School of Medicine, Fujita Health University 3Mayo Medical Center 4Hamamatsu Mental Hospital 5Department of Pathology, School of Medicine, Fujita Health University Keyword: L-DOPA neuron , mesencephalon , substantia nigra , ventral tegmental area , human pp.53-57
Published Date 1994/1/1
DOI https://doi.org/10.11477/mf.1406900583
  • Abstract
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The existence of L-3,4-dihydroxyphenylalanine (L-DOPA) immunoreativity is demonstrated for the first time in some neurons in the human mesence-phalic region, using an immunohistochemical method with a newly raised, highly specific anti L-DOPA antiserum. In this study, we have found many L-DOPA-positive/dopamine (DA)-positive neurons. On the other hand, we observed a few L-DOPA-positive/DA-negative cell bodies in the dopaminergic regions in the midbrain. The present results suggest the possibility of the existence of more than one neuronal group in the human mesen-cephalic ventral tegmental area region.


Copyright © 1994, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 2185-405X 印刷版ISSN 0006-8969 医学書院

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